..:: Source code - 051null_comparison.js ::..

/**
 * comparison of null and empty string
 */

console.log(Boolean('' == null)); //false
console.log(Boolean('' === null)); //false
console.log(Boolean(0 === null)); //false
console.log(Boolean({} === null)); //false
console.log(Boolean({} == null)); //false

console.log('--------------');

var x = null;
if (!x) {
 console.log('x is null');
} else {
 console.log('x is not null');
}

..:: NodeJS Console - 051null_comparison.js ::..

false
false
false
false
false
--------------
x is null

$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.2 1309856 48360 ?       Ssl   2025 1687:14 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.4 11822908 73252 ?      Ssl   2025 2664:20 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.2 1306264 45512 ?       Ssl   2025 1707:59 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.2 1301856 42232 ?       Ssl   2025 1681:53 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  3.3 12283136 540768 ?     Ssl   2025 21606:32 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  8.1  4.2 12377168 696528 ?     Ssl   2025 41534:18 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.5 22311168 91328 ?      Ssl   2025 1499:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.2 1101568 34216 ?       Ssl   2025 1382:02 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.2 1100804 33840 ?       Ssl   2025 1380:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.2 1102312 36104 ?       Ssl   2025 1391:40 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.2 1102340 34916 ?       Ssl   2025 1384:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.2 1102464 35884 ?       Ssl   2025 1379:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.2 1166440 33648 ?       Ssl   2025 1371:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.2 1102176 34844 ?       Ssl   2025 1364:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1216489  0.3  0.2 1101816 34596 ?       Ssl   2025 1380:35 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.5 11809312 86264 ?      Ssl  Apr20 2197:56 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.6  0.3 1304096 57228 ?       Ssl  May31 1222:03 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1824679  0.4  0.3 11799104 55380 ?      Ssl  Aug15 388:16 node /home/sasa/kriptus/kriptus-panel/server/index.js
sasa     2072475  0.7  0.5 1161564 91300 ?       Ssl  Sep24 193:28 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     2075109  9.0  0.5 11720288 93244 ?      Ssl  Sep24 2350:21 node /home/sasa/dex8/dex8-api/starter.js
sasa     2075416  0.6  0.3 1345360 57736 ?       Ssl  Sep24 170:39 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     2448036  1.1  0.8 11861968 137648 ?     Ssl  Aug21 897:10 node /home/sasa/miko/miko-hr/server/index.js
sasa     2663246  2.2  0.6 11846720 102228 ?     Ssl  Aug23 1605:54 node /home/sasa/kriptus/kriptus-api/starter.js
sasa     3168557  0.6  0.4 11832788 77256 ?      Ssl   2025 3021:52 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.3 11799488 54704 ?      Ssl   2025 2477:59 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3615181  0.6  0.3 1331764 63976 ?       Ssl  Oct07  46:03 node /home/sasa/miko/miko-hr/api/starter.js
sasa     3809381  0.3  0.4 22302152 78424 ?      Ssl  Sep02 207:21 node /home/sasa/dex8/dex8-worker/starter.js
www-data 4167375  0.0  0.0   2608   528 ?        S    22:03   0:00 sh -c ps -aux | grep node
www-data 4167377  0.0  0.0   3304   704 ?        S    22:03   0:00 grep node